<template>
    <div>
      <!-- 面包屑导航与-->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>

      <!-- 商品列表卡片-->
      <el-card>
        <el-row :gutter="10">
          <!-- 查询输入框 -->
          <el-col :span="8">
            <el-input placeholder="请输入内容" clearable v-model="queryInfo.query" @clear="getGoodsList">
              <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
            </el-input>
          </el-col>
          <!-- 点击查询按钮-->
          <el-col :span="2">
            <el-button type="primary" @click="goAddPage">添加商品</el-button>
          </el-col>
        </el-row>

        <!-- 商品列表表格-->
        <el-table :data="ShopList" border style="width: 100%" stripe>
          <el-table-column type="index" label="#"></el-table-column>
          <el-table-column prop="goods_name" label="商品名称"></el-table-column>
          <el-table-column prop="goods_price" label="商品价格(元)" width="95px"></el-table-column>
          <el-table-column prop="goods_weight" label="商品重量" width="70px"></el-table-column>
          <el-table-column label="创建时间" width="140px">
            <template slot-scope="scope">
              {{scope.row.add_time | dateFormat}}
            </template>
          </el-table-column>
          <el-table-column label="操作" width="130px">
            <template slot-scope="scope">
              <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteHandle(scope.row.goods_id)"></el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页 -->
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum" :page-sizes="[10, 20, 30, 40]" :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper" :total="total">
        </el-pagination>
      </el-card>

    </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表数据
      ShopList: [],
      // 商品列表的总条数
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取的列表
    async getGoodsList() {
      const { data: result } = await this.$http.get('goods', { params: this.queryInfo })
      if (result.meta.status !== 200) return this.$message.error('获取商品列表数据失败')
      this.ShopList = result.data.goods
      this.total = result.data.total
    },
    // 监听显示条数变化
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 监听显示页码的变化
    handleCurrentChange(newCurrent) {
      this.queryInfo.pagenum = newCurrent
      this.getGoodsList()
    },
    // 点击删除事件
    async deleteHandle(id) {
      const confirmResult = await this.$confirm('是否永久删除此数据?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        this.$message.info('已取消删除')
        return
      }
      const { data: result } = await this.$http.delete(`goods/${id}`)
      if (result.meta.status !== 200) return this.$message.error('删除失败')
      this.$message.success('删除成功')
      this.getGoodsList()
    },
    // 点击添加按钮跳转
    goAddPage() {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style scoped>

</style>
